50511115516 has 24 divisors (see below), whose sum is σ = 96255306000. Its totient is φ = 23101271424.

The previous prime is 50511115483. The next prime is 50511115541. The reversal of 50511115516 is 61551111505.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11456761 + ... + 11461168.

It is an arithmetic number, because the mean of its divisors is an integer number (4010637750).

Almost surely, 2^50511115516 is an apocalyptic number.

It is an amenable number.

50511115516 is a deficient number, since it is larger than the sum of its proper divisors (45744190484).

50511115516 is a wasteful number, since it uses less digits than its factorization.

50511115516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22917981 (or 22917979 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 31.

The spelling of 50511115516 in words is "fifty billion, five hundred eleven million, one hundred fifteen thousand, five hundred sixteen".